Fig. 2From: Comparison of national level biomass maps for conterminous US: understanding pattern and causes of differencesAboveground biomass (AGB) density maps for conterminous US a Saatchi et al. [16] ‘S’, b Kellndorfer et al. [17] ‘K’, c Blackard et al. [18] ‘B’, d Wilson et al. [19] ‘W’Back to article page